Class TreeExpansionEvent

java.lang.Object

java.util.EventObject

javax.swing.event.TreeExpansionEvent

All Implemented Interfaces:: Serializable

public class TreeExpansionEvent extends EventObject

An event used to identify a single path in a tree. The source returned by getSource will be an instance of JTree.

For further documentation and examples see the following sections in The Java Tutorial: How to Write a Tree Expansion Listener and How to Write a Tree-Will-Expand Listener.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans package. Please see XMLEncoder.

Field Summary

Modifier and Type	Field	Description
`protected TreePath`	`path`	Path to the value this event represents.

Fields declared in class EventObject

source

Constructor Summary

Constructor	Description
`TreeExpansionEvent(Object source, TreePath path)`	Constructs a TreeExpansionEvent object.

Method Summary

Modifier and Type	Method	Description
`TreePath`	`getPath()`	Returns the path to the value that has been expanded/collapsed.

Methods declared in class EventObject

getSource, toString

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

path

protected TreePath path

Path to the value this event represents.

Constructor Details

TreeExpansionEvent

public TreeExpansionEvent(Object source, TreePath path)

Constructs a TreeExpansionEvent object.

Parameters:: source - the Object that originated the event (typically this); path - a TreePath object identifying the newly expanded node

Method Details

getPath

public TreePath getPath()

Returns the path to the value that has been expanded/collapsed.

Returns:: this event's TreePath object

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https://docs.oracle.com/en/java/javase/25/docs/api/java.desktop/javax/swing/event/TreeExpansionEvent.html